<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>   
    </el-breadcrumb>
    <el-card>
        <el-row :gutter="20">
            <el-col :span="8">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" @click="getGoodsList" clearable @clear="getGoodsList">
                    <el-button slot="append" icon="el-icon-search"></el-button>
                </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="goAddPage">添加商品</el-button>
            </el-col>
        </el-row>
        <el-table :data="goodsList" border stripe>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="商品名称" prop="goods_name"></el-table-column>
            <el-table-column label="商品价格(元)" prop="goods_price" width="110px"></el-table-column>
            <el-table-column label="商品重量" prop="goods_weight" width="80px"></el-table-column>
            <el-table-column label="商品创建事件" prop="add_time" width="160x">
                <template slot-scope="scope">
                    {{scope.row.add_time | dataFormat}}
                </template>
            </el-table-column>
            <el-table-column label="操作" width="130px">
                <template slot-scope="scope">
                    <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                    <el-button type="warning" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                </template>
            </el-table-column>
        </el-table>
        <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum"
         :page-sizes="[5,10,15,20]"  :page-size="queryInfo.pagesize"  layout="total, sizes, prev, pager, next, jumper" :total="total">
        </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
    data() {
        return {
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            goodsList:[],
            total:''
        }
    },
    created() {
        this.getGoodsList()
    },
    methods:{
        async getGoodsList() {
            const {data:res} = await this.$http.get('goods',{params:this.queryInfo})
            if(res.meta.status !== 200) {
                return this.$message.error('获取商品列表失败')
            }
            this.goodsList = res.data.goods
            this.total = res.data.total
        },
        handleSizeChange(newSize) {
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage) {
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        async removeById(id) {
            const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
            }).catch(err => err)
            if(confirmResult !== 'confirm') {
                return this.$message.info('用户取消了删除')
            }
            const {data:res} = await this.$http.delete(`goods/${id}`)
            if(res.meta.status !== 200) {
                return this.$message.error('删除失败')
            }
            this.$message.success('删除商品成功')
            this.getGoodsList()
        },
        goAddPage() {
            this.$router.push('/goods/add')
        }
    }
}
</script>

<style >

</style>